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Keywords:

  • perfect absorber;
  • nanocomposite;
  • plasmonic metamaterials;
  • impedance matching
Thumbnail image of graphical abstract

As reported by Mady Elbahri and co-workers, a bent polymeric film coated with a black logo of the Nanochemistry and Nanoen-gineering group (colored TEM image of nanoparticles as the back-ground) demonstrates a plasmonic, perfect black absorber. This is achieved by combination of a metal film with suitable metal/dielectric nanocomposites and has potential applications in optoelectronics such as solar absorbers and photovoltaic devices.